<?php
/**
 * Created by PhpStorm.
 * User: 19382
 * Date: 2016/9/27
 * Time: 9:38
 */
header('Content-type:text/html;charset=utf-8');
$year=2018;
if (($year%4==0)&&($year%100!==0)||($year%400==0))
{
    echo $year.'年是闰年';
}
else
{
    echo $year.'年不是闰年';
}